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-rw-r--r--sys-utils/Makemodule.am1
-rw-r--r--sys-utils/rfkill.c261
2 files changed, 143 insertions, 119 deletions
diff --git a/sys-utils/Makemodule.am b/sys-utils/Makemodule.am
index 2148fd91e..7eba78d1b 100644
--- a/sys-utils/Makemodule.am
+++ b/sys-utils/Makemodule.am
@@ -63,6 +63,7 @@ if BUILD_RFKILL
usrbin_exec_PROGRAMS += rfkill
dist_man_MANS += sys-utils/rfkill.8
rfkill_SOURCES = sys-utils/rfkill.c
+rfkill_LDADD = $(LDADD) libcommon.la
endif
if BUILD_SETSID
diff --git a/sys-utils/rfkill.c b/sys-utils/rfkill.c
index ad2af36ea..6212128f5 100644
--- a/sys-utils/rfkill.c
+++ b/sys-utils/rfkill.c
@@ -18,36 +18,63 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
#include <ctype.h>
-#include <stdbool.h>
-#include <sys/types.h>
+#include <getopt.h>
+#include <linux/rfkill.h>
#include <sys/poll.h>
#include <sys/time.h>
-#include <linux/rfkill.h>
-
#include "c.h"
#include "closestream.h"
#include "nls.h"
+#include "pathnames.h"
+#include "strutils.h"
+#include "widechar.h"
+
+struct rfkill_type_str {
+ enum rfkill_type type;
+ const char *name;
+};
+
+static const struct rfkill_type_str rfkill_type_strings[] = {
+ { .type = RFKILL_TYPE_ALL, .name = "all" },
+ { .type = RFKILL_TYPE_WLAN, .name = "wifi" },
+ { .type = RFKILL_TYPE_WLAN, .name = "wlan" }, /* alias */
+ { .type = RFKILL_TYPE_BLUETOOTH, .name = "bluetooth" },
+ { .type = RFKILL_TYPE_UWB, .name = "uwb" },
+ { .type = RFKILL_TYPE_UWB, .name = "ultrawideband" }, /* alias */
+ { .type = RFKILL_TYPE_WIMAX, .name = "wimax" },
+ { .type = RFKILL_TYPE_WWAN, .name = "wwan" },
+ { .type = RFKILL_TYPE_GPS, .name = "gps" },
+ { .type = RFKILL_TYPE_FM, .name = "fm" },
+ { .type = RFKILL_TYPE_NFC, .name = "nfc" },
+ { .type = NUM_RFKILL_TYPES, .name = NULL }
+};
+
+struct rfkill_id {
+ union {
+ enum rfkill_type type;
+ uint32_t index;
+ };
+ enum {
+ RFKILL_IS_INVALID,
+ RFKILL_IS_TYPE,
+ RFKILL_IS_INDEX,
+ } result;
+};
-static void rfkill_event(void)
+static int rfkill_event(void)
{
struct rfkill_event event;
struct timeval tv;
struct pollfd p;
ssize_t len;
- int fd, n;
+ int fd, n, ret = 0;
- fd = open("/dev/rfkill", O_RDONLY);
+ fd = open(_PATH_DEV_RFKILL, O_RDONLY);
if (fd < 0) {
- perror("Can't open RFKILL control device");
- return;
+ warn(_("cannot open %s"), _PATH_DEV_RFKILL);
+ return 1;
}
memset(&p, 0, sizeof(p));
@@ -57,7 +84,8 @@ static void rfkill_event(void)
while (1) {
n = poll(&p, 1, -1);
if (n < 0) {
- perror("Failed to poll RFKILL control device");
+ warn(_("failed to poll %s"), _PATH_DEV_RFKILL);
+ ret = 1;
break;
}
@@ -66,12 +94,14 @@ static void rfkill_event(void)
len = read(fd, &event, sizeof(event));
if (len < 0) {
- perror("Reading of RFKILL events failed");
+ warn(_("cannot read %s"), _PATH_DEV_RFKILL);
+ ret = 1;
break;
}
if (len != RFKILL_EVENT_SIZE_V1) {
- fprintf(stderr, "Wrong size of RFKILL event\n");
+ warnx(_("wrong size of rfkill event: %zu != %d"), len, RFKILL_EVENT_SIZE_V1);
+ ret = 1;
continue;
}
@@ -83,22 +113,24 @@ static void rfkill_event(void)
}
close(fd);
+ return ret;
}
-static const char *get_name(__u32 idx)
+static const char *get_name(uint32_t idx)
{
- static char name[128] = {};
+ static char name[128] = { 0 };
char *pos, filename[64];
int fd;
snprintf(filename, sizeof(filename) - 1,
- "/sys/class/rfkill/rfkill%u/name", idx);
+ _PATH_SYS_RFKILL "/rfkill%u/name", idx);
fd = open(filename, O_RDONLY);
- if (fd < 0)
+ if (fd < 0) {
+ warn(_("cannot open %s"), filename);
return NULL;
+ }
- memset(name, 0, sizeof(name));
read(fd, name, sizeof(name) - 1);
pos = strchr(name, '\n');
@@ -133,42 +165,12 @@ static const char *type2string(enum rfkill_type type)
return "NFC";
case NUM_RFKILL_TYPES:
return NULL;
+ default:
+ abort();
}
-
return NULL;
}
-struct rfkill_type_str {
- enum rfkill_type type;
- const char *name;
-};
-static const struct rfkill_type_str rfkill_type_strings[] = {
- { .type = RFKILL_TYPE_ALL, .name = "all" },
- { .type = RFKILL_TYPE_WLAN, .name = "wifi" },
- { .type = RFKILL_TYPE_WLAN, .name = "wlan" }, /* alias */
- { .type = RFKILL_TYPE_BLUETOOTH, .name = "bluetooth" },
- { .type = RFKILL_TYPE_UWB, .name = "uwb" },
- { .type = RFKILL_TYPE_UWB, .name = "ultrawideband" }, /* alias */
- { .type = RFKILL_TYPE_WIMAX, .name = "wimax" },
- { .type = RFKILL_TYPE_WWAN, .name = "wwan" },
- { .type = RFKILL_TYPE_GPS, .name = "gps" },
- { .type = RFKILL_TYPE_FM, .name = "fm" },
- { .type = RFKILL_TYPE_NFC, .name = "nfc" },
- { .name = NULL }
-};
-
-struct rfkill_id {
- union {
- enum rfkill_type type;
- __u32 index;
- };
- enum {
- RFKILL_IS_INVALID,
- RFKILL_IS_TYPE,
- RFKILL_IS_INDEX,
- } result;
-};
-
static struct rfkill_id rfkill_id_to_type(const char *s)
{
const struct rfkill_type_str *p;
@@ -176,7 +178,7 @@ static struct rfkill_id rfkill_id_to_type(const char *s)
if (islower(*s)) {
for (p = rfkill_type_strings; p->name != NULL; p++) {
- if ((strlen(s) == strlen(p->name)) && (!strcmp(s,p->name))) {
+ if (!strcmp(s, p->name)) {
ret.type = p->type;
ret.result = RFKILL_IS_TYPE;
return ret;
@@ -184,7 +186,7 @@ static struct rfkill_id rfkill_id_to_type(const char *s)
}
} else if (isdigit(*s)) {
/* assume a numeric character implies an index. */
- ret.index = atoi(s);
+ ret.index = strtou32_or_err(s, _("invalid identifier"));
ret.result = RFKILL_IS_INDEX;
return ret;
}
@@ -204,22 +206,22 @@ static int rfkill_list(const char *param)
if (param) {
id = rfkill_id_to_type(param);
if (id.result == RFKILL_IS_INVALID) {
- fprintf(stderr, "Bogus %s argument '%s'.\n", "list", param);
- return 2;
+ warnx(_("invalid identifier: %s"), param);
+ return 1;
}
/* don't filter "all" */
if (id.result == RFKILL_IS_TYPE && id.type == RFKILL_TYPE_ALL)
id.result = RFKILL_IS_INVALID;
}
- fd = open("/dev/rfkill", O_RDONLY);
+ fd = open(_PATH_DEV_RFKILL, O_RDONLY);
if (fd < 0) {
- perror("Can't open RFKILL control device");
+ warn(_("cannot open %s"), _PATH_DEV_RFKILL);
return 1;
}
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
- perror("Can't set RFKILL control device to non-blocking");
+ warn(_("cannot set non-blocking %s"), _PATH_DEV_RFKILL);
close(fd);
return 1;
}
@@ -229,12 +231,12 @@ static int rfkill_list(const char *param)
if (len < 0) {
if (errno == EAGAIN)
break;
- perror("Reading of RFKILL events failed");
+ warn(_("cannot read %s"), _PATH_DEV_RFKILL);
break;
}
if (len != RFKILL_EVENT_SIZE_V1) {
- fprintf(stderr, "Wrong size of RFKILL event\n");
+ warnx(_("wrong size of rfkill event: %zu != %d"), len, RFKILL_EVENT_SIZE_V1);
continue;
}
@@ -242,8 +244,7 @@ static int rfkill_list(const char *param)
continue;
/* filter out unwanted results */
- switch (id.result)
- {
+ switch (id.result) {
case RFKILL_IS_TYPE:
if (event.type != id.type)
continue;
@@ -252,22 +253,24 @@ static int rfkill_list(const char *param)
if (event.idx != id.index)
continue;
break;
- case RFKILL_IS_INVALID:; /* must be last */
+ case RFKILL_IS_INVALID:
+ break;
+ default:
+ abort();
}
-
name = get_name(event.idx);
printf("%u: %s: %s\n", event.idx, name,
type2string(event.type));
- printf("\tSoft blocked: %s\n", event.soft ? "yes" : "no");
- printf("\tHard blocked: %s\n", event.hard ? "yes" : "no");
+ printf("\t%s: %s\n", _("Soft blocked"), event.soft ? _("yes") : _("no"));
+ printf("\t%s: %s\n", _("Hard blocked"), event.hard ? _("yes") : _("no"));
}
close(fd);
return 0;
}
-static int rfkill_block(__u8 block, const char *param)
+static int rfkill_block(uint8_t block, const char *param)
{
struct rfkill_id id;
struct rfkill_event event;
@@ -276,13 +279,13 @@ static int rfkill_block(__u8 block, const char *param)
id = rfkill_id_to_type(param);
if (id.result == RFKILL_IS_INVALID) {
- fprintf(stderr, "Bogus %s argument '%s'.\n", block ? "block" : "unblock", param);
- return 2;
+ warnx(_("invalid identifier: %s"), param);
+ return 1;
}
- fd = open("/dev/rfkill", O_RDWR);
+ fd = open(_PATH_DEV_RFKILL, O_RDWR);
if (fd < 0) {
- perror("Can't open RFKILL control device");
+ warn(_("cannot open %s"), _PATH_DEV_RFKILL);
return 1;
}
@@ -296,81 +299,101 @@ static int rfkill_block(__u8 block, const char *param)
event.op = RFKILL_OP_CHANGE;
event.idx = id.index;
break;
- case RFKILL_IS_INVALID:; /* must be last */
+ case RFKILL_IS_INVALID:
+ break;
+ default:
+ abort();
}
event.soft = block;
len = write(fd, &event, sizeof(event));
if (len < 0)
- perror("Failed to change RFKILL state");
-
- close(fd);
- return 0;
+ warn(_("write failed: %s"), _PATH_DEV_RFKILL);
+ return close_fd(fd);
}
-static const char *argv0;
-
-static void usage(void)
+static void __attribute__((__noreturn__)) usage(void)
{
const struct rfkill_type_str *p;
- fprintf(stderr, "Usage:\t%s [options] command\n", argv0);
- fprintf(stderr, "Options:\n");
- fprintf(stderr, "\t--version\tshow version (%s)\n", PACKAGE_VERSION);
- fprintf(stderr, "Commands:\n");
- fprintf(stderr, "\thelp\n");
- fprintf(stderr, "\tevent\n");
- fprintf(stderr, "\tlist [IDENTIFIER]\n");
- fprintf(stderr, "\tblock IDENTIFIER\n");
- fprintf(stderr, "\tunblock IDENTIFIER\n");
- fprintf(stderr, "where IDENTIFIER is the index no. of an rfkill switch or one of:\n");
- fprintf(stderr, "\t<idx>");
+ fputs(USAGE_HEADER, stdout);
+ fprintf(stdout, _(" %s command [identifier]\n"), program_invocation_short_name);
+
+ fputs(USAGE_SEPARATOR, stdout);
+ fputs(_("Tool for enabling and disabling wireless devices.\n"), stdout);
+
+ fputs(USAGE_SEPARATOR, stdout);
+ fputs(_("Commands:\n"), stdout);
+ /*
+ * TRANSLATORS: command names should not be translated, explaining
+ * them as additional field after identifer is fine, for example
+ *
+ * list [identifier] (lista [tarkenne])
+ */
+ fputs(_(" help\n"), stdout);
+ fputs(_(" event\n"), stdout);
+ fputs(_(" list [identifier]\n"), stdout);
+ fputs(_(" block identifier\n"), stdout);
+ fputs(_(" unblock identifier\n"), stdout);
+
+ fputs(USAGE_SEPARATOR, stdout);
+ fputs(_("Identifiers, that can be referred by id number or name:\n"), stdout);
for (p = rfkill_type_strings; p->name != NULL; p++)
- fprintf(stderr, " %s", p->name);
- fprintf(stderr, "\n");
-}
+ printf(" %d %s\n", p->type, p->name);
-static void version(void)
-{
- printf("rfkill %s\n", PACKAGE_VERSION);
+ fprintf(stdout, USAGE_MAN_TAIL("rfkill(8)"));
+ exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
- int ret = 0;
+ int c;
+ static const struct option longopts[] = {
+ { "version", no_argument, NULL, 'V' },
+ { "help", no_argument, NULL, 'h' },
+ { NULL, 0, NULL, 0 }
+ };
+ int ret;
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ atexit(close_stdout);
+
+ while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
+ switch (c) {
+ case 'V':
+ printf(UTIL_LINUX_VERSION);
+ return EXIT_SUCCESS;
+ case 'h':
+ usage();
+ default:
+ errtryhelp(EXIT_FAILURE);
+ }
- /* strip off self */
+ /* Skip program name. */
+ argv++;
argc--;
- argv0 = *argv++;
-
- if (argc > 0 && strcmp(*argv, "--version") == 0) {
- version();
- return 0;
- }
- if (argc == 0 || strcmp(*argv, "help") == 0) {
+ if (argc == 0 || strcmp(*argv, _("help")) == 0)
usage();
- return 0;
- }
if (strcmp(*argv, "event") == 0) {
- rfkill_event();
+ ret = rfkill_event();
} else if (strcmp(*argv, "list") == 0) {
argc--;
argv++;
- rfkill_list(*argv); /* NULL is acceptable */
+ ret = rfkill_list(*argv); /* NULL is acceptable */
} else if (strcmp(*argv, "block") == 0 && argc > 1) {
argc--;
argv++;
- ret = rfkill_block(1,*argv);
+ ret = rfkill_block(1, *argv);
} else if (strcmp(*argv, "unblock") == 0 && argc > 1) {
argc--;
argv++;
- ret = rfkill_block(0,*argv);
- } else {
- usage();
- return 1;
- }
+ ret = rfkill_block(0, *argv);
+ } else
+ errtryhelp(EXIT_FAILURE);
return ret;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-12 06:02:52 +0100